Handheld electronic device
A mobile phone may include an enclosure including a housing component and a front cover coupled to the housing component and defining a front exterior surface of the mobile phone. The mobile phone may further include a display positioned below the front cover and a sensor module positioned below a front-facing sensor region of the front cover and including a biometric sensing system. The biometric sensing system may include a first lens, a light emitter positioned below the first lens and configured to emit light onto an object, a second lens, and a light sensor below the second lens and configured to capture an image of the object. The sensor module may further include a proximity sensing system positioned between the first lens of the biometric sensing system and the second lens of the biometric sensing system.
1 . A mobile phone comprising:
an enclosure comprising:
a housing component; and
a front cover coupled to the housing component and defining a front exterior surface of the mobile phone;
a display positioned below the front cover;
a sensor module positioned below a front-facing sensor region of the front cover and comprising:
a biometric sensing system comprising:
a first lens;
a light emitter positioned below the first lens and configured to emit light onto an object;
a second lens; and
a light sensor below the second lens and configured to capture an image of the object; and
a proximity sensing system positioned between the first lens of the biometric sensing system and the second lens of the biometric sensing system.
2 . The mobile phone of claim 1 , wherein:
the light sensor is a first light sensor;
the light emitter is a first light emitter; and
the proximity sensing system comprises:
a first light guide;
a second light emitter positioned below the first light guide and configured to emit light into the first light guide;
a second light guide; and
a second light sensor positioned below the second light guide and configured to receive light from the second light guide.
3 . The mobile phone of claim 2 , wherein:
the light emitted by the first light emitter includes a pattern of infrared light;
the first light sensor is configured to capture the image of the object while the object is illuminated with the pattern of infrared light;
the biometric sensing system is configured to authenticate a user based on an image captured by the first light sensor; and
the proximity sensing system is configured to detect a proximity of the mobile phone to a user's face.
4 . The mobile phone of claim 2 , wherein:
the sensor module further comprises a molded housing member defining a first hole, a second hole, and a third hole;
the first light guide is positioned in the first hole;
the second light guide is positioned in the second hole; and
the first lens is positioned in the third hole.
5 . The mobile phone of claim 4 , wherein the molded housing member further defines a light-blocking wall positioned between the second light emitter and the second light sensor.
6 . The mobile phone of claim 2 , wherein:
the first light emitter is configured to project, through the first lens, a dot pattern on the object; and
the biometric sensing system further comprises a third light emitter positioned below the first lens and configured to illuminate, through the first lens, the object with a flood of light.
7 . The mobile phone of claim 6 , wherein the sensor module further comprises a molded housing member defining a light-blocking wall positioned between the third light emitter and the second light sensor.
8 . The mobile phone of claim 7 , wherein the light-blocking wall is further positioned between the second light emitter and the light sensor.
9 . A portable electronic device comprising:
a housing component;
a front cover assembly coupled to the housing component and comprising:
a front cover defining a display region and a front-facing sensor region at least partially surrounded by the display region; and
a display positioned below the display region; and
a sensor module positioned below the front-facing sensor region and comprising:
a housing member;
a lens coupled to the housing member;
a first light emitter below the lens and configured to emit first light through the lens;
a first light guide coupled to the housing member;
a second light emitter below the first light guide and configured to emit second light through the first light guide;
a second light guide coupled to the housing member; and
a light sensor below the second light guide and configured to receive a reflected portion of the second light.
10 . The portable electronic device of claim 9 , wherein the portable electronic device is configured to detect a proximity of an object to the portable electronic device based at least in part on information from the light sensor.
11 . The portable electronic device of claim 10 , wherein:
the first light emitter is configured to project a dot pattern onto a user's face; and
the portable electronic device is further configured to:
determine a depth map of the user's face using the dot pattern projected onto the user's face; and
authenticate the user based at least in part on the depth map of the user's face.
12 . The portable electronic device of claim 9 , wherein the housing member defines a light-blocking wall positioned between the first light emitter and the light sensor.
13 . The portable electronic device of claim 9 , wherein:
the housing member defines a first hole and a second hole;
the first light guide is positioned in the first hole; and
the second light guide is positioned in the second hole.
14 . The portable electronic device of claim 13 , wherein:
the housing member is formed from an optically opaque material;
the first light guide is formed from a first optically transparent material; and
the second light guide is formed from a second optically transparent material.
15 . An electronic device comprising:
a housing component;
a front cover coupled to the housing component and defining a display region and a front-facing sensor region surrounded by the display region;
a display defining a hole extending therethrough, the hole positioned below the front-facing sensor region; and
a front-facing sensor module positioned below the front-facing sensor region and comprising:
a front-facing camera;
a biometric sensing system positioned below the hole in the display and configured to illuminate a first object and capture an image of the first object through the front cover, the biometric sensor module comprising:
a first light emitter configured to emit light onto the first object; and
a first light sensor configured to capture an image of the first object; and
a proximity sensing system comprising:
a second light emitter configured to emit light onto a second object; and
a second light sensor configured to receive a portion of the light reflected by the second object.
16 . The electronic device of claim 15 , wherein the front-facing sensor module further comprises:
a housing member;
a first light guide coupled to the housing member and positioned over the second light emitter; and
a second light guide coupled to the housing member and positioned over the second light sensor.
17 . The electronic device of claim 16 , wherein the front-facing sensor module further comprises a lens coupled to the housing member and positioned over the first light emitter.
18 . The electronic device of claim 16 , wherein the housing member defines a light-blocking wall positioned between the second light emitter and the second light sensor.
19 . The electronic device of claim 18 , wherein:
the hole is a first hole;
the housing member is formed from a unitary polymer structure and defines:
a second hole; and
a third hole;
the first light guide is positioned in the second hole; and
the second light guide is positioned in the third hole.
20 . The electronic device of claim 15 , wherein the biometric sensing system is configured to authenticate a user based at least in part on the image of the first object.